NJM2195V [NJRC]
Consumer Circuit, Bipolar, PDSO44, SSOP-44;
| 型号： | NJM2195V |
| 厂家： | 
NEW JAPAN RADIO |
| 描述： | Consumer Circuit, Bipolar, PDSO44, SSOP-44 光电二极管 商用集成电路 |
| 文件： | 总14页 (文件大小：310K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NJM2195
SRS WOW AUDIO PROCESSOR
■PACKAGE OUTLINE
■GENERAL DESCRIPTION
The NJM2195 is a SRS WOW audio processor, based
on the technology of SRS Labs, Inc.
It includes SRS 3D Stereo regenerating 3D surround
sound with stereo input, TruBass providing rich bass
sound and FOCUS improving sound orientation.
The NJM2195 is suitable for audio application such as
TV, CD radio-cassette, Car Audio, speaker system for
NJM2195FJ1
NJM2195V
■FEATURES
■Operating Voltage
■WOW Function
4.7 to 13V
■Punch Control for TruBass effect
■LF Elevation Control for FOCUS effect
■Width Control for SRS 3D Stereo effect
■Bypass Function (Through)
■Internal Mode Switch
■Bipolar Technology
■Package Outline
QFP48-J1, SSOP44
The WOW technology right incorporated in the NJM2195 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan
Radio Co., Ltd. Purchaser of NJM2195 must sign a license for use of the chip and display of the SRS Labs trademarks. Any products
incorporating the NJM2195 must be sent to SRS Labs for review. WOW is protected under U.S. and foreign patents issued and/or
pending. WOW, SRS and the
symbol are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither
the purchase of the NJM2195, nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized
recordings made with any SRS technology.
SRS Labs requires all set makers to comply with all rules and regulations as outlined in the SRS Trademark Usage Manual separately
provided.
For further information, please contact:
SRS Labs, Inc.
2909 Daimler Street. Santa Ana, CA 92705 USA
Tel: 949-442-1070
Fax: 949-852-1099
http: //www.srslabs.com
- 1 -
NJM2195
■PIN FUNCTION (QFP48)
36
37
25
1. NC
2. FIL3
3. FIL4
4. FIL5
5. FIL6
6. FIL7
7. PCOUT
8. PCIN
9. C1
17. SVOL1
18. GND
19. V+
20. VREFIN
21. VREF
22. MODE3
23. MODE2
24. NC
33. FFR2
34. FFR1
35. TP3
36. NC
24
37. NC
38. FFL3
39. FFL2
40. FFL1
41. INR
42. INL
43. C3
25. NC
26. MODE1
27. TP1
10. C2
11. SFIL1
12. NC
28. BASSOUT 44. C4
13. NC
29. OUTR
30. OUTL
31. TP2
45. FILOUT
14. SFIL2
15. SFIL3
16. SVOL2
46. FIL1
47. FIL2
48. NC
48
1
13
32. FFR3
12
■PIN FUNCTION (SSOP44)
1. NC
2. C3
3. C4
16. SFIL1
31. BASSOUT
32. OUTR
33. OUTL
34. TP2
35. FFR3
36. FFR2
37. FFR1
38. TP3
39. FFL3
40. FFL2
41. FFL1
42. INR
1
2
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
17. SFIL2
18. SFIL3
19. SVOL2
20. SVOL1
21. GND
22. NC
3
4. FILOUT
5. FIL1
6. FIL2
7. FIL3
8. FIL4
9. FIL5
10. FIL6
11. FIL7
12. PCOUT
13. PCIN
14. C1
4
5
6
23. NC
24. V+
7
25. VREFIN
26. VREF
27. MODE3
28. MODE2
29. MODE1
30. TP1
8
9
43. INL
44. NC
10
11
12
13
14
15
16
17
18
19
20
21
22
15. C2
29
28
27
26
25
24
23
- 2 -
NJM2195
■BLOCK DIAGRAM (QFP48)
36
35
34
33
32
31
30
29
28
27
26
25
37
24
23
22
21
20
19
18
17
16
15
14
13
NC
NC
38
FFL3
MODE2
MODE3
VREF
VREFIN
V+
MODE
FOCUS
39
FFL2
40
FFL1
L
R
H
+
+
-1
41
INR
L
+
H
+
+
42
INL
L
+
MODE3
H
MODE1
+
+
−
43
C3
GND
L
L+R
44
C4
SVOL1
SVOL2
SFIL3
SFIL2
NC
+
45
FILOUT
L-R
MODE2
H
46
FIL1
TruBass
3D Stereo
L
47
FIL2
48
NC
1
2
3
4
5
6
7
8
9
10
11
12
■BLOCK DIAGRAM (SSOP44)
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
MODE
L
L
H
MODE2
H
MODE3
H
FOCUS
TruBass
3D Stereo
L
L
-1
H
L
R
MODE1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
- 3 -
NJM2195
■ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Supply Voltage
SYMBOL
V+
RATING
UNIT
V
15
(QFP) 450
(SSOP) 800 (Note)
-40 to+85
Power Dissipation
PD
mW
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
°C
°C
-40 to +125
Note:EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm,2layer,FR-4)mounting
■ELECTRICAL CHARACTERISTICS ( V+=12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium)
TEST CONDITION
PARAMETER
MIN
TYP
MAX
UNIT
SYMBOL
INPUT
OUT
PUT
PUNCH WIDTH
LF
MODE
-
VR
VR
VR
L
R
Operating
Voltage
V+
-
-
-
-
-
-
4.7
12.0
13.0
V
mA
V
Operating
Current
ICC
-
-
-
-
-
-
BYPASS
WOW
-
-
-
-
-
-
8.7
8.7
17.4
17.4
26.1
26.1
No Signal
V+/2
Reference
Voltage
VREF
VIM
-
-
-
-
-
-
-
-
-
-
5.8
6.0
6.2
-
Maximum
Input Voltage
f=1kHz
VIN
-
-
L
10.0
(3.2)
12.0
(4.0)
BYPASS
THD=3%
VIN
R
f=100Hz
THD=3%
VIN
VIN
VIN
VIN
L
-2.7
MAX
-
-
-
-
-
-
-
-
-
-
-
-
-
TruBass
R
(0.73)
f=125Hz
THD=3%
VIN
-
-
L
0.5
3D-
-
MAX
MAX
-
-
VIN
R
(1.1)
STEREO
f=125Hz
THD=3%
VIN
VIN
-VIN
-VIN
L
-5.5
3D-
-
-
-
MAX
MAX
MAX
MAX
-
R
(0.53)
STEREO
dBV
(Vrms)
f=10kHz
VIN
-
-
L
-0.8
FOCUS
WOW
THD=3%
VIN
R
(0.91)
f=10kHz
VIN
-
-
L
-12.0
(0.25)
-10.0
(0.32)
MAX
MAX
MAX
-
MAX
MAX
MAX
-
THD=3%
VIN
R
f=100Hz
THD=3%
VIN
VIN
VIN
VIN
L
-5.0
-3.0
WOW
R
(0.56)
(0.71)
f=10kHz
VIN
VIN
-VIN
-VIN
L
-17.0
(0.14)
-15.0
(0.18)
WOW
THD=3%
R
Output Noise
VNO
Rg=0Ω
L
-110
(3)
-100
(10)
0
0
0
0
0
0
BYPASS
TruBass
-
-
-
A-Weighted
R
Rg=0Ω
L
-80
MAX
-
-
-
-
-
-
A-Weighted
R
(100)
dBV
Rg=0Ω
L
-95
3D-
MAX
-
(µVrms)
A-Weighted
R
(18)
STEREO
Rg=0Ω
L
-92
0
0
0
0
-
-
MAX
MAX
-
-
FOCUS
WOW
A-Weighted
R
(25)
Rg=0Ω
L
-75
-69
MAX
MAX
A-Weighted
R
(180)
(350)
- 4 -
NJM2195
■ELECTRICAL CHARACTERISTICS ( V+=12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium)
TEST CONDITION
PARAMETER
MIN
TYP
MAX
UNIT
SYMBOL
THD
INPUT
OUT
PUNCH WIDTH
LF
MODE
PUT
VR
VR
VR
L
R
Total Harmonic
Distortion
VIN
-
-
L
f=1kHz
BYPASS
R
-
-
-
-
0.005
0.1
0.01
-
VIN
VIN
VIN
VIN
VIN
L
f=100Hz
f=1kHz
MAX
-
-
-
TruBass
R
VIIN
-
-
L
3D-
-
MAX
-
-
0.1
-
%
VIN
R
STEREO
VIN
-
-
L
f=1kHz
-
MAX
-
-
MAX
-
MAX
-
0.1
-
FOCUS
WOW
VIN
R
VIN
-
-
L
f=1kHz
MAX
-
0.1
1.0
1.0
16.8
5.7
13.4
2.5
14.7
17.8
23.7
VIN
R
BYPASS Gain
SRS Gain
GVBYP
VIN
-
-
L
f=1kHz
BYPASS
TruBass
TruBass
-
-1.0
12.8
-2.3
9.4
-1.5
10.7
13.8
19.7
0.0
dB
VIN
R
GSRS
VIN
VIN
VIN
VIN
L
f=100Hz
f=100Hz
f=125Hz
f=125Hz
f=10kHz
f=100Hz
MAX
MIN
-
-
-
14.8
1.7
R
VIN
VIN
VIN
VIN
L
-
-
R
VIN
-
-
L
3D-
MAX
MIN
-
-
11.4
0.5
VIN
R
STEREO
VIN
-
-
L
3D-
-
-
dB
VIN
R
STEREO
VIN
-
-
L
FOCUS
-
MAX
MAX
MAX
12.7
15.8
21.7
VIN
R
VIN
-
-
L
MAX
MAX
MAX
MAX
WOW
WOW
VIN
R
f=10kHz
VIN
-
-
L
VIN=-35dBV
VIN
R
MODE Select
VMODE
VIN=High Level
VIN=Low Level
2.0
0.0
-
-
V+
Control Voltage
V
0.7
■MODE SELECT FUNCTION
MODE
BYPASS
TruBass
3D-STEREO
FOCUS
MODE1
MODE2
MODE3
L
L
L
H
L
L
L
L
H
L
H
H
L
WOW
H
H
- 5 -
NJM2195
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
NOTE
QFP 48
SSOP44
1
NC
NC
NC
NC
NC
NC
NC
NC
Non Connect
Non Connect
Non Connect
Non Connect
Non Connect
Non Connect
Non Connect
Non Connect
12
13
24
25
36
37
48
1
22
23
44
-
V+
V+
2
3
7
8
FIL3
FIL4
Filter
Filter
5
7
17
32
38
10
12
20
35
39
FIL6
Filter
PCOUT
SVOL1
FFR3
FFL3
PUNCH Control VR
WIDTH Control VR
Filter
V+/2
V+/2
V+/2
Filter
V+
V+
V+
4
6
9
11
FIL5
FIL7
Filter
Filter
150
V+
V+
8
43
13
2
PCIN
C3
PUNCH Control VR
Filter
- 6 -
NJM2195
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
NOTE
QFP 48
SSOP44
V+
V+
V+
V+
V+
V+
V+
9
14
C1
Filter
0V
V+
10
15
C2
Filter
0V
11
14
15
16
17
18
SFIL1
SFIL2
SFIL3
Filter
Filter
Filter
V+/2
V+
V+
16
44
47
19
3
6
SVOL2
C4
FIL2
WIDTH Control VR
Filter
Filter
V+/2
- 7 -
NJM2195
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
GND
EQUIVALENT CIRCUIT
NOTE
0V
QFP 48
SSOP44
18
21
GND
19
24
V+
Power Supply
V+
V+
V+
V+
20
25
VREFIN
Reference Voltage Input
V+/2
V+
V+
V+
21
28
29
30
34
40
45
26
31
32
33
37
41
4
VREF
BASSOUT
OUTR
OUTL
FFR1
Reference Voltage
TruBass Output
Rch Output
Lch Output
Filter
V+/2
FFL1
FILOUT
Filter
Filter
V+
V+
V+
22
23
26
27
28
29
MODE3
MODE2
MODE1
Mode3 SW
Mode2 SW
Mode1 SW
0V
150
- 8 -
NJM2195
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
NOTE
QFP 48
SSOP44
V+
V+
V+
27
33
39
30
36
40
TP1
FFR2
FFL2
Test Pin
Filter
Filter
V+/2
150
V+
31
35
34
38
TP2
TP3
Test Pin
Test Pin
-
V+
V+
V+
41
42
42
43
INR
INL
Rch Input
Lch Input
V+/2
150
VREF
V+
V+
V+
46
5
FIL1
Filter
V+/2
VREF
- 9 -
NJM2195
■APPLICATION CIRCUIT (QFP48)
MAX
10k
10k
10kB
MIN
MAX
2.2k
VREF
10k
10kB
MIN
10k
100k 100k
34 33 32
2.2k
36
35
31
30
29
28
27
26
25
VREF
NC
NC
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
100k 100k
MODE2
MODE3
VREF
10k
10k
10µ
10µ
Rch IN
Lch IN
10µ
10µ
10µ
NJM2195FJ1
0.1µ
0.01µ
MAX
10kB
MIN
WIDTH VR
0.47µ
0.1µ
NC
0.01µ
NC
0.33µ
1
2
3
4
5
6
7
8
9
10
11
12
MAX
R3
R6
10kB
MIN
VREF
PUNCH VR
VREF
VREF
SPEAKER SIZE
MEDIUM
LARGE
SMALL
(TruBass mode only)
R1
56.2k
13k
158k
37.4k
8.87k
107k
21k
3.09k
42k
37.4k
8.87k
107k
21k
3.09k
42k
22.1k
2.32k
32k
R2
R3
R4
R5
R6
The standard setting of speaker size is as follows.(Reference)
Large Mode : fo 80Hz
Medium Mode : 80Hz < fo
Small Mode : 150Hz < fo
•
•
•
≤
≤
150Hz
250Hz
≤
- 10 -
NJM2195
■APPLICATION CIRCUIT (SSOP44)
MAX
MAX
10k
10k
10k
10kB
MIN
10kB
MIN
10k
VREF
2.2k
VREF
2.2k
VREF
100k 100k
100k 100k
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
NJM2195V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
MAX
R3
R6
220p
10kB
MIN
VREF
MIN 10kBMAX
PUNCH VR
WIDTH VR
VREF
VREF
SPEAKER SIZE
MEDIUM
LARGE
SMALL
(TruBass mode only)
R1
56.2k
13k
158k
37.4k
8.87k
107k
21k
3.09k
42k
37.4k
8.87k
107k
21k
3.09k
42k
22.1k
2.32k
32k
R2
R3
R4
R5
R6
The standard setting of speaker size is as follows.(Reference)
Large Mode : fo 80Hz
Medium Mode : 80Hz < fo
Small Mode : 150Hz < fo
•
•
•
≤
≤
150Hz
250Hz
≤
- 11 -
NJM2195
■TYPICAL CHARACTERISTICS
Maximum Input Voltage vs. Operating Voltage (BYPASS)
Operating Current vs. Operating Voltage
Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ
o
V+=1 to 15V, Ta=25 C
Rg=25Ω, Ta=25oC
20
20
15
10
5
15
10
5
WOW
0
BYPASS
-5
0
-10
0
2
4
6
8
10
12
14
0
4
8
12
16
Operating Voltage [V]
Operating Voltage [V]
Total Harmonic Distortion vs. Input Voltage (BYPASS)
Maximum Input Voltage vs. Operating Voltage (WOW)
V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ
Rg=25Ω, BW=10-80kHz
Vin=Lch, Vout=Lch, f=10kHz, RL=4.7kΩ
LFVR=MAX, Rg=25Ω, Ta=25oC
0
10
-5
-10
-15
-20
-25
-30
1
0.1
0.01
0.001
0.0001
0
4
8
12
16
-40
-30
-20
-10
0
10
20
Operating Voltage [V]
Input Voltage [dBV]
Total Harmonic Distortion (TruBass)
V+=12V, Vin=L+Rch, Vout=Lch, f=100Hz, RL=4.7kΩ
Rg=25Ω, BW=10-80kHz
Total Harmonic Distotion vs. Input Voltage (3D Stereo)
V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ
Rg=25Ω, BW=10-80kHz
10
10
1
1
0.1
0.1
0.01
0.001
0.01
-40
-30
-20
-10
0
10
20
-40
-30
-20
-10
0
10
Input Voltage [dBV]
Input Voltage [dBV]
- 12 -
NJM2195
■TYPICAL CHARACTERISTICS
Frequency Responce (BYPASS)
V+=12V, Vin=-10dBV Lch, Vout=Lch, RL=4.7kΩ
Rg=25Ω
Total Harmonic Distortion vs. Input Voltage (WOW)
V+=12V, Vin=Lch, Vout=Lch, f=1kHz, RL=4.7kΩ
Rg=25Ω, BW=10-80kHz
3
2
10
1
1
0
-1
-2
-3
0.1
0.01
10
100
1000
104
105
-40
-30
-20
-10
0
10
Input Voltage [dBV]
Frequency [Hz]
Frequency Responce (TruBass)
V+=12V, Vin=-20dBV L+Rch, Vout=Lch, RL=4.7kΩ
VR=ALLMAX, Medium Mode, Rg=25Ω
Freqeuncy Responce (3D Stereo)
V+=12V, Vin=-20dBV Lch, Vout=L/Rch, RL=4.7kΩ
VR=ALLMAX, Rg=25Ω
20
15
10
5
20
15
10
5
Lch Out
Rch Out
0
0
-5
-5
-10
-10
104
105
10
100
1000
104
105
10
100
1000
Frequency [Hz]
Freqeuncy [Hz]
Frequency Responce (FOCUS)
V+=12V, Vin=-20dBV Lch, Vout=Lch, RL=4.7kΩ
Rg=25Ω
Frequency Responce (WOW)
V+=12V, Vin=-20dBV Lch, Vout=L/Rch, RL=4.7kΩ
VR=ALLMAX, Rg=25Ω
20
15
10
5
30
25
20
15
10
5
Lch Out
Rch Out
0
0
-5
-5
-10
104
105
10
100
1000
104
105
10
100
1000
Frequency [Hz]
Frequency [Hz]
- 13 -
NJM2195
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
- 14 -
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